Plural nouns seem to be quite easy. You just form them by adding an -s or -es ending to the singular forms. But in English if there is a rule, then you may be 100% sure that there are also exceptions to it. In this handout we deal only with the easier ones. Believe me, plural nouns can be a pain in the neck. However, the real challenge begins at higher levels. Right now, it’s just a little warm-up.